docs: def get_roles(self):
          """
          Return the m2m relations connecting me to creators.
  
          There's some publishing-related complexity here. The role relations
          (self.creators.through) connect to draft objects, which then need to
          be modified to point to visible() objects.
  
          """
  
          creator_ids = self.get_creators().values_list('id', flat=True)
  
          return self.creators.through.objects.filter(
              work=self.get_draft(),
              creator_id__in=creator_ids,
          ).select_related('role')